18189822

Names of 18189822

• Cardinal: 18189822 can be written as Eighteen million, one hundred eighty-nine thousand, eight hundred twenty-two.

Scientific notation

• Scientific notation: 1.8189822 × 10⁷

Factors of 18189822

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2832

Divisors of 18189822

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 163 326 489 978 1141 2282 2657 3423 5314 6846 7971 15942 18599 37198 55797 111594 433091 866182 1299273 2598546 3031637 6063274 9094911 18189822
• Sum of all divisors σ(n): 41847552
• Sum of proper divisors (its aliquot sum) s(n): 23657730
• 18189822 is an abundant number, because the sum of its proper divisors (23657730) is greater than itself. Its abundance is 5467908

Bases of 18189822

• Binary: 1000101011000110111111110₂
• Hexadecimal: 0x1158DFE
• Base-36: ATVCU

Squares and roots of 18189822

• 18189822 squared (18189822²) is 330869624391684
• 18189822 cubed (18189822³) is 6018459572891590240248
• The square root of 18189822 is 4264.9527547209
• The cube root of 18189822 is 262.9921687055

Scales and comparisons

• 18,189,822 seconds is equal to 30 weeks, 12 hours, 43 minutes, 42 seconds.
• To count from 1 to 18,189,822 would take you about forty-five weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18189822 cubic inches would be around 21.9 feet tall.

Recreational maths with 18189822

• 18189822 backwards is 22898181
• The number of decimal digits it has is: 8
• The sum of 18189822's digits is 39
• More coming soon!